import type { ControlEvent } from "./control-event-types.js";
export declare const DEFAULT_IDEMPOTENCY_RING_SIZE = 1024;
export type ControlEventOutcome = {
    ok: true;
    ack_hint?: "received";
} | {
    ok: false;
    detail: string;
};
export type ControlEventHandler<E extends ControlEvent = ControlEvent> = (event: E) => Promise<ControlEventOutcome>;
export interface ControlEventDispatcher {
    on<E extends ControlEvent>(type: E["type"], handler: ControlEventHandler<E>): void;
    dispatch(event: ControlEvent): Promise<ControlEventOutcome>;
    ringSize(): number;
    hasSeen(idempotency_key: string): boolean;
}
export interface ControlEventDispatcherOptions {
    ringSize?: number;
}
export declare function createControlEventDispatcher(opts?: ControlEventDispatcherOptions): ControlEventDispatcher;
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